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Unique materials
single speed cassette hubs
Installing this OSPW system usually requires a longer chain for correct wrap on 2x drivetrains
delivering crisp power transfer when it counts
Lightweight design for an easier ride
CeramicSpeed BB ALPHA Bottom Bracket - T47, 86mm, For SRAM DUB Spindle, Road, Black Default:Default Unique materialsA bottom bracket built to outlast your frame BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls, custom engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra low friction performance. The simplified spacer tube design and lighter 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All
